Intro to Astronomy Exam 3 || || || || ||
Questions With Answers || || ||
the fictional planet, Tatooine (as shown in the clip from
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Star Wars: A New Hope)... - CORRECT
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ANSWER(S)✔✔orbits a binary star system || || || ||
what is the main source of energy in a protostar? -
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CORRECT ANSWER(S)✔✔gravity ||
what is the main source of energy in a main sequence
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star? - CORRECT ANSWER(S)✔✔nuclear fusion of
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hydrogen
hydrostatic equilibrium is a balance between ______ and || || || || || || || ||
______ - CORRECT ANSWER(S)✔✔gravity and gas pressure
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as soon as the hydrogen supply runs out in the Sun's
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core, the sun will... - CORRECT ANSWER(S)✔✔contract
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and heat ||
what is the name of an object that does not have enough
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mass to become a star? - CORRECT ANSWER(S)✔✔brown
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dwarf
, which of the following will describe the evolutionary
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stages of the sun in order from earliest to latest? -
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CORRECT ANSWER(S)✔✔main sequence star, red giant, || || || || || ||
white dwarf ||
when helium fusion begins in the core of a star, the star
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will expand and cool and becomes... - CORRECT
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ANSWER(S)✔✔a red giant or red supergiant || || || || ||
which of the following main sequence stars will use up its
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hydrogen (and therefore leave the main sequence) the
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fastest? - CORRECT ANSWER(S)✔✔a main sequence star
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that shines 100,000 times as bright as the sun
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when a massive star explodes, it is known as... -
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CORRECT ANSWER(S)✔✔a supernova || ||
Jocelyn Bell discovered the first pulsar. Pulsars provide
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observational evidence for the existence of... - CORRECT || || || || || || || ||
ANSWER(S)✔✔neutron stars ||
what is the name of an object that has completely
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collapsed to a point so that it has no radius, but still
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contains mass? - CORRECT ANSWER(S)✔✔black hole
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Questions With Answers || || ||
the fictional planet, Tatooine (as shown in the clip from
|| || || || || || || || || ||
Star Wars: A New Hope)... - CORRECT
|| || || || || || ||
ANSWER(S)✔✔orbits a binary star system || || || ||
what is the main source of energy in a protostar? -
|| || || || || || || || || || ||
CORRECT ANSWER(S)✔✔gravity ||
what is the main source of energy in a main sequence
|| || || || || || || || || || ||
star? - CORRECT ANSWER(S)✔✔nuclear fusion of
|| || || || || ||
hydrogen
hydrostatic equilibrium is a balance between ______ and || || || || || || || ||
______ - CORRECT ANSWER(S)✔✔gravity and gas pressure
|| || || || || ||
as soon as the hydrogen supply runs out in the Sun's
|| || || || || || || || || || ||
core, the sun will... - CORRECT ANSWER(S)✔✔contract
|| || || || || || ||
and heat ||
what is the name of an object that does not have enough
|| || || || || || || || || || || ||
mass to become a star? - CORRECT ANSWER(S)✔✔brown
|| || || || || || || ||
dwarf
, which of the following will describe the evolutionary
|| || || || || || || ||
stages of the sun in order from earliest to latest? -
|| || || || || || || || || || ||
CORRECT ANSWER(S)✔✔main sequence star, red giant, || || || || || ||
white dwarf ||
when helium fusion begins in the core of a star, the star
|| || || || || || || || || || || ||
will expand and cool and becomes... - CORRECT
|| || || || || || || ||
ANSWER(S)✔✔a red giant or red supergiant || || || || ||
which of the following main sequence stars will use up its
|| || || || || || || || || || ||
hydrogen (and therefore leave the main sequence) the
|| || || || || || || ||
fastest? - CORRECT ANSWER(S)✔✔a main sequence star
|| || || || || || ||
that shines 100,000 times as bright as the sun
|| || || || || || || ||
when a massive star explodes, it is known as... -
|| || || || || || || || || ||
CORRECT ANSWER(S)✔✔a supernova || ||
Jocelyn Bell discovered the first pulsar. Pulsars provide
|| || || || || || || ||
observational evidence for the existence of... - CORRECT || || || || || || || ||
ANSWER(S)✔✔neutron stars ||
what is the name of an object that has completely
|| || || || || || || || || ||
collapsed to a point so that it has no radius, but still
|| || || || || || || || || || || ||
contains mass? - CORRECT ANSWER(S)✔✔black hole
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